Best Fitness, Hiking & CrossFit Apparel Stores in Boulder
Ready to sweat smart and lift strong in Boulder? Whether you're smashing WODs at your favorite gym or working out in your garage, the right apparel makes all the difference. From shoes that grip like glue to apparel that lets you move freely, the right gear can elevate both your performance and your confidence.
And speaking of performance…
If you're in Boulder and serious about CrossFit, chances are you’ve heard of CrossFit Sanitas - Boulder’s BEST CrossFit Gym. Known for high-level coaching, killer workouts, and an inspiring fitness community, CrossFit Sanitas isn’t just a place to train - it’s a lifestyle. Our athletes count on top-tier apparel to move freely, stay cool under pressure, and stay consistent day after day.
So, let’s dive into the Fitness, Hiking & CrossFit apparel stores in Boulder that athletes at CrossFit Sanitas and beyond are loving.
Top Fitness Apparel Stores in Boulder
1. Lululemon – Boulder
Lululemon is a high-end athletic apparel brand best known for its yoga-inspired designs, but its performance-focused gear works just as well for gym training, running, and everyday wear.
The Boulder store carries a full range of men’s and women’s activewear, from sweat-wicking leggings and shorts to breathable tanks, lightweight jackets, and versatile accessories.
Why Boulder athletes shop here:
Premium fabrics with exceptional comfort and stretch
Stylish designs that transition seamlessly from workout to daily life
Durable gear that holds up to high-intensity training and frequent wear
2. Vuori – Boulder
Vuori blends performance and style with its West Coast–inspired activewear designed for movement, comfort, and everyday wear. Their apparel is popular among fitness enthusiasts, hikers, and gym-goers who want gear that feels great during training and looks good the rest of the day.
What makes it stand out:
Ultra-soft performance fabrics
Tailored fit that supports dynamic movement
Stylish joggers, shorts, and tops that work in and out of the gym
3. Fleet Feet – Boulder
Fleet Feet is a specialty retailer focused on running shoes, apparel, and accessories, offering expert fittings to help athletes find the perfect gear for their needs. While it’s a go-to for runners, many Boulder fitness enthusiasts appreciate Fleet Feet’s high-quality performance footwear, moisture-wicking apparel, and supportive gear designed for comfort during both endurance training and gym workouts.
Why athletes shop here:
Personalized shoe fittings for optimal performance and comfort
Wide selection of trusted activewear brands
Knowledgeable staff who are passionate about helping athletes succeed
4. Runner’s Roost – Boulder
Runner’s Roost is a locally loved destination for running apparel, performance footwear, and training accessories. While it’s best known among runners, it’s also popular with anyone seeking high-quality shorts, moisture-wicking tops, and compression layers ideal for everything from endurance runs to gym sessions.
Why it’s a community favorite:
Wide range of trusted activewear brands
Expert staff help find the perfect fit
Great for runners, hikers, and general training
5. Helly Hansen – Boulder
Helly Hansen is known worldwide for durable, weather-ready apparel designed for sailing, skiing, and outdoor adventure. In Boulder, it’s popular among fitness enthusiasts and hikers for its technical base layers, breathable training tops, and lightweight outerwear that transition easily from the trail to everyday training.
Why athletes love it:
High-performance gear for changing weather
Stylish yet functional layers
Quality built to last through every season
6. Arc’teryx - Boulder Store
Arc’teryx makes high-quality technical apparel built to handle tough conditions, from mountain trails to training sessions. Known for its warm, breathable, and lightweight layers, Arc’teryx is a favorite among local athletes and outdoor enthusiasts who value performance, durability, and minimalist design.
Why athletes shop here:
Technical fabrics that regulate temperature
Versatile gear for hiking, training, and daily wear
Premium build quality made to last
7. Patagonia – Boulder
Patagonia Boulder is your go-to outdoor gear store located in the heart of downtown Boulder, right on the vibrant Pearl Street Mall. This store offers a wide selection of high-quality outdoor clothing and gear, built for everything from hiking and climbing to skiing and fly fishing. Known for their commitment to sustainability, Patagonia offers products made from recycled and organic materials.
At Patagonia Boulder, you’ll find:
Durable outdoor apparel for men, women, and kids
Gear for hiking, camping, climbing, and winter sports
A Worn Wear section where you can trade-in and buy used Patagonia items
Knowledgeable staff who are outdoor enthusiasts themselves
Community events focused on environmental activism and outdoor adventures
8. prAna – Boulder
prAna blends sustainability and style, offering eco-conscious activewear for men and women. Known for their yoga, climbing, and lifestyle gear, prAna’s stretch-friendly, breathable apparel is also popular among fitness enthusiasts who value comfort, flexibility, and mindful design in every workout.
Why it stands out:
Organic and fair-trade materials
Comfortable fits for training or everyday wear
Versatile designs that move from studio to street
9. La Sportiva North America
La Sportiva delivers trail-running and training shoes built for Boulder’s mountain athletes. For athletes who combine gym work with outdoor cardio, La Sportiva shoes offer unmatched traction, durability, and breathability - ideal for trail runs, hill sprints, or adventure WODs.
In addition to footwear, La Sportiva also offers a range of performance apparel designed for high-output training and rugged conditions, including moisture-wicking tops, flexible running shorts, and lightweight outerwear perfect for Boulder’s changing weather.
Popular among Boulder athletes:
Footwear with superior traction and durability
Breathable, technical fabrics for comfort on the move
Gear built for mountain trails, cardio sessions, and everyday training
10. Title Nine – Boulder
Title Nine specializes in high-quality sportswear and active apparel for women, blending style, comfort, and performance. Popular among runners, hikers, and fitness enthusiasts, their collection features supportive sports bras, quick-dry shorts, breathable tanks, and versatile layers designed to keep up with every squat, sprint, and kettlebell swing.
Why it stands out for female athletes:
Women-focused designs made to move
Durable, sweat-friendly fabrics
Stylish activewear that transitions from gym to daily life
11. REI – Boulder
REI (Recreational Equipment, Inc.) is a trusted outdoor and fitness retailer that serves Boulder’s athletic community with a wide range of gear, apparel, and footwear. While best known for hiking and camping equipment, REI also carries high-performance training wear and accessories ideal for athletes who mix gym sessions with outdoor activity.
Why it’s a great pick for Athletes:
Carries top brands like The North Face, Brooks, and La Sportiva
Wide selection of training shoes, performance Leggings, and base layers
Excellent return policy and expert in-store guidance
Train Hard, Wear Smart
The right apparel doesn’t just make you look good - it helps you move better, recover faster, and stay consistent. Whether you’re sprinting up a hill or crushing deadlifts in the gym, smart apparel choices make training more effective and more enjoyable.
At CrossFit Sanitas, we believe success starts with mindset, consistency, and community - but great apparel? That’s just a smart strategy.
Suit up, show up, and never let your apparel slow you down.